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1. |
Excited hydrogen atom emits light in the ultraviolet region at\[2.47\times {{10}^{15}}Hz\]. With this frequency, the energy of a single photon is: \[(h=6.63\times {{10}^{-34}}Js)\] |
A. | \[8.041\times {{10}^{-40}}J\] |
B. | \[2.680\times {{10}^{-19}}J\] |
C. | \[1.640\times {{10}^{-18}}J\] |
D. | \[6.111\times {{10}^{-17}}J\] |
Answer» D. \[6.111\times {{10}^{-17}}J\] | |